assurance：保证，担保，确信，把握，信心

词根词缀：as-来,临近 + -sur-确信 + -ance

• cassock
• cassoulet
• cassowary
• cast
• castanets
• castaway
• caste
• castellated
• inflexion
• inflict
• inflicter
• infliction
• inflictive
• inflow
• influence
• influence peddling
• influential
• influenza
• influx
• infobahn
• inform
• informal
• informant
• information
• informative